Int 15 Fn 0A  - Multidos Plus - Change Time Slice Interval                 [T]

   AH = 0Ah
   AL = new interval
       00h = 55.0 ms (default)
       80h = 27.5 ms
       40h = 13.75 ms
       20h = 6.88 ms
       10h = 3.44 ms
       08h = 1.72 ms

See Also: AH=03h"MultiDOS"